She tried to 'smooth things out' [=end an argument or disagreement] with her daughter-in-law, but the damage was done.
They 'smoothed the way' for a quick end to the dispute. [=they made it easier to achieve a quick end to the dispute]
Her time at college wasn't all 'smooth sailing'. [=she had some problems/difficulties during her time at college]
(..) So? It's FIDC insured, yo. It's a victimless crime. Where did you get this? Bodega. Way across town. In, out, like, bam. Went smooth as silk, yo. What, nobody saw you? What about witnesses, dumb-ass? We roll like the breeze, for real. All we did, we just walked in all smooth-like. (..)2009 TvShow: Breaking Bad Title: Peekaboo Season: 2 Episode 6